fix(web): use :global() for Shiki's .line class in CSS module
Quentin Gliech
and
Claude Opus 4.6 (1M context)
created
CSS modules were mangling .line in selectors like
.code-content code > .line, but .line is generated by Shiki and
must stay as-is. Wrap with :global(.line) so the selector targets
the actual DOM class.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>